From 0c7213dd668215d00aa56002f7a0193284b6c1a2 Mon Sep 17 00:00:00 2001 From: Song Gao Date: Sat, 16 Jul 2022 16:54:26 +0800 Subject: [PATCH] tests/tcg/loongarch64: Add pcadd related instructions test This includes: - PCADDI - PCADDU12I - PCADDU18I - PCALAU12I Signed-off-by: Song Gao Message-Id: <20220716085426.3098060-9-gaosong@loongson.cn> Signed-off-by: Richard Henderson --- tests/tcg/loongarch64/Makefile.target | 1 + tests/tcg/loongarch64/test_pcadd.c | 38 +++++++++++++++++++++++++++ 2 files changed, 39 insertions(+) create mode 100644 tests/tcg/loongarch64/test_pcadd.c diff --git a/tests/tcg/loongarch64/Makefile.target b/tests/tcg/loongarch64/Makefile.target index b320d9fd9c..0115de78ef 100644 --- a/tests/tcg/loongarch64/Makefile.target +++ b/tests/tcg/loongarch64/Makefile.target @@ -14,5 +14,6 @@ LOONGARCH64_TESTS = test_bit LOONGARCH64_TESTS += test_div LOONGARCH64_TESTS += test_fclass LOONGARCH64_TESTS += test_fpcom +LOONGARCH64_TESTS += test_pcadd TESTS += $(LOONGARCH64_TESTS) diff --git a/tests/tcg/loongarch64/test_pcadd.c b/tests/tcg/loongarch64/test_pcadd.c new file mode 100644 index 0000000000..da2a64db82 --- /dev/null +++ b/tests/tcg/loongarch64/test_pcadd.c @@ -0,0 +1,38 @@ +#include +#include +#include + +#define TEST_PCADDU(N) \ +void test_##N(int a) \ +{ \ + uint64_t rd1 = 0; \ + uint64_t rd2 = 0; \ + uint64_t rm, rn; \ + \ + asm volatile(""#N" %0, 0x104\n\t" \ + ""#N" %1, 0x12345\n\t" \ + : "=r"(rd1), "=r"(rd2) \ + : ); \ + rm = rd2 - rd1; \ + if (!strcmp(#N, "pcalau12i")) { \ + rn = ((0x12345UL - 0x104) << a) & ~0xfff; \ + } else { \ + rn = ((0x12345UL - 0x104) << a) + 4; \ + } \ + assert(rm == rn); \ +} + +TEST_PCADDU(pcaddi) +TEST_PCADDU(pcaddu12i) +TEST_PCADDU(pcaddu18i) +TEST_PCADDU(pcalau12i) + +int main() +{ + test_pcaddi(2); + test_pcaddu12i(12); + test_pcaddu18i(18); + test_pcalau12i(12); + + return 0; +}